Cyr Flag

Cyr

County:
Mineral County
County Seat:
No
Area (mi²):
1.401
State:
Montana

Cyr is a CDP located in Mineral County, Montana. Cyr has a 2026 population of 122. Cyr is currently growing at a rate of 7.02% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median age in Cyr is 50.6 years: 50.9 years for males, and 50.4 years for females. For every 100 females there are 103.8 males.

122
Total Population
87
Density (mi²)
8 7.02%
Growth

Cyr Population

Cyr Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202612287.02%
202511476.54%

Median Age

Overall: 50.6 years
Female: 50.4 years
Male: 50.9 years

Cyr Adults

There are 101 adults, (2 of whom are seniors) in Cyr.

Sex Ratio

Female: 53 (49.1%)
Male: 55 (50.9%)

Demographics

The racial composition of Cyr includes 94.44% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White10294.44%
Two or more races65.56%
Race
Population ↓
Percentage (of total)
White10294.44%
Two or more races65.56%

Cyr Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)